Black Oxide Silver & Deming High Speed Steel Fractional 1/2" Reduced Shank Drill Bit. 15/16". 911 Series. 118 chisel point tip is perfect for general purpose applications. Engineered with premium high speed steel with black oxide coating for corrosion resistance. Ideal for heavy-duty metal drilling, automotive, body shop, and fabrication applications. Three-flatted shank design provides better chuck grip and reduces slippage. Ideal for use in keyless chucks. All Silver & Deming bits are 6" long and feature a 1/2" reduced shank that fits all 1/2" drills. Size: 15/16". Decimal Equiv: 0.9375. Flute Length: 3". Overall Length: 6".